Finding the Fourth Proportional to 250,034.98, 345,045.57 and 135,311.08
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Solution
The fourth proportional to 250,034.98, 345,045.57 and 135,311.08 is: 186,727.83
Step by Step Solution
- Step 1: Write the proportion equation
250,034.98 : 345,045.57 = 135,311.08 : x - Step 2: Convert to fraction form
250,034.98/345,045.57 = 135,311.08/x - Step 3: Cross multiply
250,034.98x = 345,045.57 × 135,311.08 - Step 4: Simplify right side
250,034.98x = 46,688,487,863.30 - Step 5: Solve for x
x = 46,688,487,863.30/250,034.98 - Step 6: Final answer
x = 186,727.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.